Grinding

Rollomatic unveils solutions for Industry 4.0

Everyone’s talking about it – the fourth industrial revolution. Rollomatic S.A., based in Le Landeron, Switzerland, is one of the companies setting a course for an interconnected future for machinery. After all, although precision is still a top priority for Rollomatic customers, aspects such as monitoring of machinery and production processes from anywhere in the world are growing more important by the day.

Factors affecting proper coolant application when grinding

08/11/2017

Author:

John A. Webster, Ph.D.

Grinding is a thermally dominated process, meaning a high percentage of process heat initially enters the part before coolant quenches it. Unless the coolant is applied at the correct flow rate and pressure, and the proper input conditions are selected, this process can lead to undesirable rehardening burn, thermal softening and tensile residual stresses.

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Ask the Grinding Doc: Loading the wheel

08/04/2017

Author:

Jeffrey A. Badger, Ph.D.

In the August 2017 issue of Cutting Tool Engineering, Ask the Grinding Doc Columnist Jeffrey Badger, Ph.D., fields questions about spotting wheel loading, white sticking for hardened steel loading, and what causes barber pole marks during cylindrical-traverse grinding.

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Xcavator Grinding Wheel with Comfort Max Technology

Walter Surface Technologies introduces the Xcavator with Comfort Max Technology - a grinding wheel that reduces grinding time while increasing operator comfort and overall plant productivity in industrial metalworking applications.

Episode 80: Shop dressing after 5 parts

Using a Norton SG grit wheel, a shop turned to the Grinding Doc to find out why they suddenly lose form on the 7th or 8th part. To prevent bad parts, the shop dresses the wheel after every 5th part.

Marposs/Dittel M7002/MA7002 Dual-Plane Balancing System

Marposs has announced the availability of its Marposs/Dittel M7002/MA7002 next-generation, dual-plane balancing systems for high precision grinding machines. Relying upon a new deterministic balancing algorithm and specially designed balancing head, these new units deliver an improved balancing process with significant cycle time reduction, according to the company.

A cutting tool game changer

Pinch grinding offers aggressive material-removal rates, excellent concentricity and low part runout when prepping cutting tool blanks.

Ultrafine Filtration of Grinding Oils and Cooling Lubricants

The ultrafine filtration of grinding oils and cooling lubricants is a specialized "discipline" in the overall process of the tool manufacturing. With their efficient and reliable technology, the German filtration specialist VOMAT says it has earned an excellent reputation in the metalworking industry. In addition to the low-maintenance and innovative filter technology, the worldwide after-sales service is an important argument for the filtration systems from Germany.

KRGU and GHS Grinding Steady Rests

Kitagawa NorthTech Inc. introduces a new series of grinding steady rests. The grinding steady rests feature two models supported with turnkey design, build and installation capabilities dedicated to grinding applications. The new fully retracting KRGU steady rests and GHS steady rests are suitable for grinding camshafts, crankshafts and other cylindrical applications where accuracy and repeatability are essential.

Episode 79: Stop the burn on CBN wheels

A shop sometimes experiences burn when using a CBN wheel to cylindrically plunge-grind a part. Slowing down doesn't help. Dr. Jeffrey Badger, who writes the Ask the Grinding Doc column for Cutting Tool Engineering magazine, offers a remedy.